Loans and Allowance for Credit Losses - Schedule of Allowance for Credit Losses on Unfunded Loan Commitments (Details) - Unfunded Loan Commitment - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Off-Balance Sheet, Credit Loss, Liability [Roll Forward]
Balance at beginning of period	$ 10,879	$ 11,689
Provision for credit losses on unfunded commitments for loans acquired during the period	11,013	0
Expense (reversal of expense) for credit losses	154	(1,324)
Balance at end of period	$ 22,046	$ 10,365